#include <iostream>

using namespace std;

int n;
string path;

void dfs(int pos)
{
	if(pos > n)
	{
		cout << path << endl;
		return;
	}
	path += "N";
	dfs(pos + 1);
	path.pop_back();
	
	path += "Y";
	dfs(pos + 1);
	path.pop_back();
}

int main()
{
	cin >> n;
	dfs(1);
	return 0;	
} 
